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Monthly climate in Kowloon, Hong Kong

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Kowloon features a humid subtropical climate (Cwa). Temperatures typically range between 17 °C (63 °F) and 29 °C (84 °F) through the year, but rarely can drop to 7 °C (45 °F) or can rise to as high as 34 °C (93 °F). The average annual precipitation amounts to about 1805 mm (71.1 inches) and receives 164 rainy days on the 1 mm (0.04 inches) threshold annually. Kowloon enjoys an average of 3276 hours of sunshine throughout the year, and daylight varies from 10 hours 46 minutes to 13 hours 27 minutes per day.

Monthly average temperatures in Kowloon, Hong Kong

The warmest months in Kowloon are June, July and August, with daily mean temperatures ranging from 28 to 29 °C (83 - 84 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 17 to 18 °C (63 - 65 °F) throughout the day. On average each year, Kowloon experiences 174 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Kowloon. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum24°C
(75°F)		24°C
(76°F)		27°C
(80°F)		29°C
(85°F)		33°C
(92°F)		33°C
(91°F)		33°C
(92°F)		34°C
(93°F)		32°C
(91°F)		32°C
(91°F)		28°C
(82°F)		26°C
(78°F)
Mean maximum23°C
(73°F)		23°C
(74°F)		26°C
(78°F)		28°C
(83°F)		30°C
(87°F)		31°C
(88°F)		32°C
(91°F)		32°C
(90°F)		32°C
(90°F)		30°C
(87°F)		27°C
(81°F)		24°C
(76°F)
Average high19°C
(66°F)		19°C
(67°F)		22°C
(72°F)		24°C
(76°F)		28°C
(82°F)		30°C
(85°F)		30°C
(86°F)		30°C
(86°F)		30°C
(86°F)		27°C
(81°F)		24°C
(75°F)		20°C
(68°F)
Daily mean17°C
(63°F)		17°C
(64°F)		21°C
(70°F)		23°C
(73°F)		26°C
(79°F)		28°C
(83°F)		29°C
(84°F)		28°C
(83°F)		28°C
(83°F)		26°C
(78°F)		22°C
(72°F)		18°C
(65°F)
Average low15°C
(60°F)		16°C
(61°F)		19°C
(67°F)		21°C
(71°F)		25°C
(77°F)		27°C
(81°F)		27°C
(82°F)		27°C
(81°F)		27°C
(80°F)		24°C
(76°F)		21°C
(70°F)		16°C
(62°F)
Mean minimum10°C
(50°F)		11°C
(52°F)		15°C
(59°F)		17°C
(63°F)		21°C
(70°F)		25°C
(78°F)		26°C
(80°F)		26°C
(79°F)		25°C
(78°F)		20°C
(68°F)		16°C
(62°F)		11°C
(52°F)
Minimum8°C
(46°F)		7°C
(45°F)		12°C
(54°F)		14°C
(58°F)		18°C
(64°F)		24°C
(76°F)		25°C
(78°F)		26°C
(78°F)		24°C
(76°F)		17°C
(64°F)		16°C
(60°F)		10°C
(49°F)

Compare climate in Kowloon with other places

Compare temperature, precipitation, sunshine, UV index in Kowloon, Hong Kong with other places around the world.

Monthly average precipitation in Kowloon, Hong Kong

Kowloon usually has the most precipitation in June, August and September, with an average of 23 rainy days and 311 mm (12.2 inches) of precipitation per month. The driest months in Kowloon are January, November and December. On average, 29 mm (1.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Kowloon. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)21 (0.8)52 (2.0)60 (2.4)93 (3.7)171 (6.7)325 (12.8)219 (8.6)384 (15.1)223 (8.8)189 (7.4)36 (1.4)31 (1.2)
Average precipitation days (≥ 1 mm)47101218242425221044

Monthly sunshine hours in Kowloon, Hong Kong

The sunniest months in Kowloon are May, July and September, when the sun shines an average of 9 hours 55 minutes a day. Least sunny months in Kowloon: January, February and November receive an average of 8 hours 6 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Kowloon. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours216250274262300273323280288280261264
Mean daily daylight hours10h 55m11h 23m12h 1m12h 39m13h 11m13h 27m13h 19m12h 51m12h 14m11h 36m11h 3m10h 46m

Solar UV radiation in Kowloon, Hong Kong

Kowloon experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure. January, November and December are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 9. For more detailed information, check out our hourly Kowloon UV Index data.

Average daily maximum UV levels by month for Kowloon. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)710121214131313121197